5/9/2012 - Mate in 2

Why couldn't I just move my rook, on d1, to d4? The queen would have to move (or be taken) and you could move your queen to f7 for checkmate.

Because black can move the queen to g8 which messes up white's mate in the immediate term. Alternatively, black can place the white king in check (at c1) at least three times (four if you include the bishop) - it is supposed to be mate-in-two !

You could still manage to checkmate at that point if you move the other rook up, (considering the queen did move to g8) but if you were aiming for the checkmate in 2 then yes, that may not be the perfect move. Thank you for your kind and thoughtful answer.